public class C7 {
    public static void main(String[] args) {
        int sum=0;
        int [][] arr={{1,1,1},{2,2,2},{3,3,3},{4,4,4}};
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j <arr[i].length ; j++) {
                sum+=arr[i][j];
            }


        }


        System.out.println(sum);



    }

}